///*
// * Copyright 2009 Red Hat, Inc.
// *
// * Red Hat licenses this file to you under the Apache License, version 2.0
// * (the "License"); you may not use this file except in compliance with the
// * License.  You may obtain a copy of the License at:
// *
// *    http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
// * License for the specific language governing permissions and limitations
// * under the License.
// */
//package org.jboss.netty.logging;
//
//import org.osgi.framework.BundleContext;
//import org.osgi.framework.ServiceReference;
//import org.osgi.service.log.LogService;
//import org.osgi.util.tracker.ServiceTracker;
//
///**
// * Logger factory which creates an <a href="http://www.osgi.org/">OSGi</a>
// * {@link LogService} logger.
// *
// * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
// * @author <a href="http://gleamynode.net/">Trustin Lee</a>
// *
// * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
// *
// */
//public class OsgiLoggerFactory extends InternalLoggerFactory {
//
//    private final ServiceTracker logServiceTracker;
//    private final InternalLoggerFactory fallback;
//    volatile LogService logService;
//
//    public OsgiLoggerFactory(BundleContext ctx) {
//        this(ctx, null);
//    }
//
//    public OsgiLoggerFactory(BundleContext ctx, InternalLoggerFactory fallback) {
//        if (ctx == null) {
//            throw new NullPointerException("ctx");
//        }
//        if (fallback == null) {
//            fallback = InternalLoggerFactory.getDefaultFactory();
//            if (fallback instanceof OsgiLoggerFactory) {
//                fallback = new JdkLoggerFactory();
//            }
//        }
//
//        this.fallback = fallback;
//        logServiceTracker = new ServiceTracker(
//                ctx, "org.osgi.service.log.LogService", null) {
//                    @Override
//                    public Object addingService(ServiceReference reference) {
//                        LogService service = (LogService) super.addingService(reference);
//                        logService = service;
//                        return service;
//                    }
//
//                    @Override
//                    public void removedService(ServiceReference reference,
//                            Object service) {
//                        logService = null;
//                    }
//        };
//        logServiceTracker.open();
//    }
//
//    public InternalLoggerFactory getFallback() {
//        return fallback;
//    }
//
//    public LogService getLogService() {
//        return logService;
//    }
//
//    public void destroy() {
//        logService = null;
//        logServiceTracker.close();
//    }
//
//    @Override
//    public InternalLogger newInstance(String name) {
//        return new OsgiLogger(this, name, fallback.newInstance(name));
//    }
//}
